PDF-BLOWOUT IN A WORKOVER RIG WHILE SUBDUING THE WELL

Introduction An incident of uncontrolled flow occurred on a workover rig which was deployed for recompletion of well with packer This has resulted in loss of hydrocarbon production and loss of prop. The phenomenon of tire blowout and explosion A1 Tire blowout of mechanical origin a Overpressurization of the tire b Zipper failure Crown Block WinchCanister load cells: BlowOut PreventorPressure sensors: ManifoldPressure sensors:Wing Union sensors: Limit switches: Mud Tank/ReservoirPressure sensors: FP2000, IP, SPTLimit switches HAL35784HAL39732 WELL INTERVENTION Hydraulic Workover & Snubbing For more information, contact your local Halliburton representativeor email production-solutions@halliburton.com. Establishing the Qual • A ‘Snubbing System’ is basically a well servicing system capable of running and retrieving jointed pipe under live well conditions (but not necessarily high pressure). Ȃ  Improved drill ship / semi-sub drilling operational safety during completion, Protection against accidental C/WOR overload conditions through Ensures compliance with ough a predetermined load and No Purposes of BrinesMud displacement prior to cementing,Debris removal,Controlling formation pressures during completion and intervention operations,Enabling repair operations as a circulating or kill f 1 – to Fully Close – • Gradually Closes the Flow • Uses Existing Infrastructure • Response Time in Hours • Removed After Use Offshore Oil Rig Sea Level Riser Drilling & Production Blind ram Casing ram Blind shear ram Fixed bore ram Wireline shear ram GE Oil & Gas, Drilling & Production provides a full range of industry-leading ram designs for superior perf Improved drill ship / semi-sub drilling operational safety during completion, Protection against accidental C/WOR overload conditions through Ensures compliance with through a predetermined loa Optimising rig time using LWIV & eRED technology. Presented by: . Andy Skinner. Date: . 9. th. March 2011. Slide 1. LWIV – up front work in advance of drilling rig. Conventional subsea vertical dual-bore tree. 12. . JACKUPS. – 6 . Drilling. – 6 . Workover. 521. . LAND DRILLING RIGS. 4. . BARGE RIGS. 40. . PLATFORM RIGS. – 25 . Workover. /Re-Drilling. – 15 . Drilling. Worldwide Rig Fleet Status. HYDROCARBON EXTRACTION- OFFSHORE SECTOR. AMITABH SINGH . & MAROOF SHEIKH. CHIEF MANAGER (FIRE SERVICES). 2. Introduction . Asia is the most disaster prone continent. 90% of all natural disasters. Platinum. Gold. Silver. San Francisco Seminar. Golf. A wholly owned subsidiary of ExxonMobil. Bronze. What if you had a blowout tomorrow?. Blowout Hazards. Radiant Heat. Noise!!!! (120dB). . No . Fire. HYDROCARBON EXTRACTION- OFFSHORE SECTOR. AMITABH SINGH . & MAROOF SHEIKH. CHIEF MANAGER (FIRE SERVICES). 2. Introduction . Asia is the most disaster prone continent. 90% of all natural disasters.